src/gallium/drivers/nouveau/nouveau_winsys.h

   1 #ifndef NOUVEAU_WINSYS_H
   2 #define NOUVEAU_WINSYS_H
   3
   4 #include <stdint.h>
   5 #include <inttypes.h>
   6
   7 #include "pipe/p_defines.h"
   8
   9 #include <nouveau.h>
  10
  11 #ifndef NV04_PFIFO_MAX_PACKET_LEN
  12 #define NV04_PFIFO_MAX_PACKET_LEN 2047
  13 #endif
  14
  15 #define NOUVEAU_MIN_BUFFER_MAP_ALIGN      64
  16 #define NOUVEAU_MIN_BUFFER_MAP_ALIGN_MASK (NOUVEAU_MIN_BUFFER_MAP_ALIGN - 1)
  17
  18 static inline uint32_t
  19 PUSH_AVAIL(struct nouveau_pushbuf *push)
  20 {
  21    return push->end - push->cur;
  22 }
  23
  24 static inline bool
  25 PUSH_SPACE(struct nouveau_pushbuf *push, uint32_t size)
  26 {
  27    /* Provide a buffer so that fences always have room to be emitted */
  28    size += 8;
  29    if (PUSH_AVAIL(push) < size)
  30       return nouveau_pushbuf_space(push, size, 0, 0) == 0;
  31    return true;
  32 }
  33
  34 static inline void
  35 PUSH_DATA(struct nouveau_pushbuf *push, uint32_t data)
  36 {
  37    *push->cur++ = data;
  38 }
  39
  40 static inline void
  41 PUSH_DATAp(struct nouveau_pushbuf *push, const void *data, uint32_t size)
  42 {
  43    memcpy(push->cur, data, size * 4);
  44    push->cur += size;
  45 }
  46
  47 static inline void
  48 PUSH_DATAf(struct nouveau_pushbuf *push, float f)
  49 {
  50    union { float f; uint32_t i; } u;
  51    u.f = f;
  52    PUSH_DATA(push, u.i);
  53 }
  54
  55 static inline void
  56 PUSH_KICK(struct nouveau_pushbuf *push)
  57 {
  58    nouveau_pushbuf_kick(push, push->channel);
  59 }
  60
  61
  62 #define NOUVEAU_RESOURCE_FLAG_LINEAR   (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
  63 #define NOUVEAU_RESOURCE_FLAG_DRV_PRIV (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
  64
  65 static inline uint32_t
  66 nouveau_screen_transfer_flags(unsigned pipe)
  67 {
  68         uint32_t flags = 0;
  69
  70         if (!(pipe & PIPE_TRANSFER_UNSYNCHRONIZED)) {
  71                 if (pipe & PIPE_TRANSFER_READ)
  72                         flags |= NOUVEAU_BO_RD;
  73                 if (pipe & PIPE_TRANSFER_WRITE)
  74                         flags |= NOUVEAU_BO_WR;
  75                 if (pipe & PIPE_TRANSFER_DONTBLOCK)
  76                         flags |= NOUVEAU_BO_NOBLOCK;
  77         }
  78
  79         return flags;
  80 }
  81
  82 extern struct pipe_screen *
  83 nv30_screen_create(struct nouveau_device *);
  84
  85 extern struct pipe_screen *
  86 nv50_screen_create(struct nouveau_device *);
  87
  88 extern struct pipe_screen *
  89 nvc0_screen_create(struct nouveau_device *);
  90
  91 #endif